WorksheetsPhysics Form 4 Chapter 1 Introduction to Physics
Total questions: 30
Worksheet time: 30mins
Which field of Physics is concerned with the study of heat and its effects on matter?
Optics
Mechanics
Electromagnetism
Thermodynamics
Modern physics consists of numerous disciplines (or branches) of study. Which discipline deals with the spontaneous disintegration of radioisotopes?
Relativity
Astrophysics
Nuclear physics
Quantum mechanics
Which of the following is not an SI base quantity?
Length
Temperature
Time
Weight
The base SI unit of mass is the
microgram
milligram
gram
kilogram
Which of the following physical quantities is described correctly ?
A
B
C
D
A derived quantity can be expressed as a combination of base quantities. Which of the following is the combination of base quantities for force?
A useful method of expressing very small or very large number is
Arabic numerals
Greek letters
significant figures
scientific notation
What does the prefix pico stand for?
10 –12
10 –9
10 9
10 12
In which of the following sets are the prefixes arranged in ascending order?
nano, mega, milli, kilo
mega, kilo, nano, milli
nano, milli, kilo, mega
kilo, milli, mega, nano
Which of the following measurements is the smallest?
4.7 x 104 m
4.7 x 105 cm
4.7 x 107 mm
4.7 x 1011 μm
In Tawau, Pop FM is being transmitted at the frequency of 113.5 MHz. What is the frequency of the radio waves in Hz?
1.034 x 105
1.034 x 106
1.034 x 107
1.034 x 108
Diagram 1 shows a box with dimensions 6cm x 4cm x 2 cm.
What is the volume of the box, in m3?
48
0.48
0.048
4.8 x 10–5
The gravitational force, F, between two objects of masses m1 and m2 is given by the equation above, where r is the distance between their centres and G is the universal gravitational constant.
What is the unit of G?
Nmkg–2
Nm2kg–2
m2 kg–2
Nm–2
The density of lead is 11.3 g cm–3 at room temperature. What is its value in SI unit?
1.13 × 10–5 kg m–3
1.13 × 10–3 kg m–3
1.13 × 104 kg m–3
1.13×107 kg m–3
The capacity of a container is the maximum volume of liquid it can contain. The labels for three containers are given above.
Which of the following lists of capacities are arranged
in ascending order?
5 x 10–5 m3, 5 dm3, 500 cm3
500 cm3, 5 dm3, 5 x 10–5 m3
5 dm3, 500 cm3, 5 x 10–5 m3
5 x 10–5 m3, 500 cm3, 5 dm3
Which of the following lists of physical quantities consists only of scalars?
time, mass, velocity
mass, velocity, acceleration
speed, volume, work
velocity, acceleration, force
How many vector quantities are contained in these equations?
1
2
3
4
Diagram 2 shows a part of the scales on a pair of vernier callipers. What is the correct reading?
2.90 cm
3.03 cm
3.15 cm
3.23 cm
Diagram 3 shows the scale of a micrometer screw gauge.
What is the reading shown?
2.04 mm
2.05 mm
2.06 mm
2.40 mm
George has been asked to determine, as accurately as possible, the volume of a piece of wire. The wire is about 60cm in length and about 0.3 cm in diameter. Which measuring instruments should he use?
A
B
C
D
A measuring instrument can detect a small change in the quantity to be measured. This measuring instrument is considered to be
accurate
consistent / precise
sensitive
Which of the following marks can be used to explain the concept of a measurement which is consistent but not accurate?
Diagrams below show parts of four different galvanometers.
Which is the most sensitive?
An experiment was carried out to investigate the relationship between the period of a simple pendulum and its length. A brass bob of 50g was used in the experiment. What is the manipulated variable?
Amplitude
Mass of brass bob
Length of pendulum
Period of the simple pendulum
The period of an oscillation is the time taken for the bob to move from P to Q and back to P again. Using a stopwatch, how can a student measure the period accurately?
Time one oscillation carefully for a few times.
Time ten oscillations and divide by 10.
Time the motion from P to Q and double it.
The equation of the graph is
Given that the gradient of the graph is –g and the intercept on y-axis is a, what is the equation of the graph?
T= a – gs
S = a – gT
T= a – g / S
S = a – g / T
Which of the following graphs shows that P increases with but is not directly proportional to θ ?
Which statement about the graph is correct?
X increases if Y increases.
X is directly proportional to Y.
The relationship between X
and Y is linear.
The gradient of the graph
decreases with increasing Y.
The following graphs show that M is inversely proportional to N except
